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Cheap flights from Sydney to San Diego from $948

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAN
9 Apr — 16 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to San Diego

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to San Diego
Explore the most affordable flight options available from Sydney to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 March 2026.

Fri 17/420:45
SYD
-
SAN
1 stop16h 57m
Multiple Airlines
Thu 30/417:43
SAN
-
SYD
2 stops32h 07m
Multiple Airlines
Deal found 5/3$1,391
Thu 23/420:45
SYD
-
SAN
1 stop26h 55m
Multiple Airlines
Thu 30/417:43
SAN
-
SYD
2 stops32h 07m
Multiple Airlines
Deal found 9/3$1,459
Sun 19/420:45
SYD
-
SAN
1 stop27h 35m
Multiple Airlines
Sun 26/417:43
SAN
-
SYD
2 stops32h 07m
Multiple Airlines
Deal found 5/3$1,481
Tue 24/311:20
SYD
-
SAN
2 stops29h 10m
American Airlines
Tue 31/313:16
SAN
-
SYD
2 stops24h 49m
American Airlines
Deal found 6/3$1,580
Tue 24/311:20
SYD
-
SAN
2 stops29h 10m
American Airlines
Mon 30/313:16
SAN
-
SYD
2 stops24h 14m
American Airlines
Deal found 6/3$1,590
Mon 20/409:10
SYD
-
SAN
2 stops26h 15m
American Airlines
Mon 27/413:16
SAN
-
SYD
2 stops24h 49m
American Airlines
Deal found 6/3$1,602
Tue 24/312:10
SYD
-
SAN
1 stop18h 34m
United Airlines
Tue 31/318:20
SAN
-
SYD
2 stops19h 35m
United Airlines
Deal found 6/3$1,606
Mon 20/409:15
SYD
-
SAN
2 stops23h 40m
Delta
Mon 27/413:14
SAN
-
SYD
2 stops24h 36m
Delta
Deal found 5/3$1,609

Find flight deals from Sydney to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 March 2026.

Round-trip from

$1,391

One-way from

$948

Popular in

December

Cheapest in

September

Average price

$1,459
17/4-30/4
  • 17/4-30/4
  • 3 total stops
  • 49h 04m total
  • Sydney to San Diego
Search Deals
20/4
  • 20/4
  • 3 total stops
  • 50h 17m total
  • Sydney to San Diego
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($127 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($39 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 10 March 2026.
Use the filters below to find and compare flights from Sydney to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 17/4

20:45-20:42

1 stop16h 57m

San Diego

Thu 30/4

17:43-18:50

2 stops32h 07m

$1,391

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 23/4

20:45-06:40

1 stop26h 55m

San Diego

Thu 30/4

17:43-18:50

2 stops32h 07m

$1,459

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 19/4

20:45-07:20

1 stop27h 35m

San Diego

Sun 26/4

17:43-18:50

2 stops32h 07m

$1,481

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 24/3

11:20-22:30

2 stops29h 10m

San Diego

Tue 31/3

13:16-08:05

2 stops24h 49m

$1,580
Fastest return journey

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 24/3

14:00-14:49

1 stop18h 49m

San Diego

Wed 1/4

16:21-08:00

2 stops21h 39m

$1,606

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 24/3

09:40-14:54

1 stop23h 14m

San Diego

Mon 30/3

13:35-07:50

2 stops24h 15m

$1,606

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 23/4

20:45-15:55

1 stop36h 10m

San Diego

Thu 30/4

17:10-18:50

1 stop32h 40m

$1,612

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 21/4

10:20-15:39

1 stop22h 19m

San Diego

Sat 25/4

19:40-06:55

1 stop18h 15m

$1,647

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 11/6

20:45-06:35

1 stop26h 50m

San Diego

Fri 26/6

15:57-18:50

1 stop33h 53m

$1,821
Cheapest one-way

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 20/4

09:30-10:20

1 stop17h 50m

$1,044

Flights are sorted by cheapest return flights first.

Deals found on 6/3

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from Sydney to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to San Diego

How far ahead should I book a flight from Sydney to San Diego?

Use this chart to determine the optimal time to book a return flight from Sydney to San Diego. Price data was last updated on 6 March 2026.

The price you pay for your flight from Sydney to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 24 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Sydney to San Diego?

Currently, May is the cheapest month in which you can book a flight from Sydney to San Diego (average of $1,056). Flying from Sydney to San Diego in April is currently the most expensive (average of $1,316). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Sydney to San Diego?

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated 10 March 2026.
Read reviews from past customers who have flown with Alaska Airlines,Air New Zealand, andVirgin Australia from Sydney to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
12,025 reviews
Check prices

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Alaska Airlines
8.0
Very Good
12,025 reviews
Alaska Airlines
8.0
Very Good
12,025 reviews
Check prices

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Air New Zealand
8.0
Very Good
610 reviews
Alaska Airlines
8.0
Very Good
12,025 reviews
Check prices

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Virgin Australia
7.6
Good
446 reviews
Alaska Airlines
8.0
Very Good
12,025 reviews
Check prices

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
United Airlines
7.4
Good
9,412 reviews
Alaska Airlines
8.0
Very Good
12,025 reviews
Check prices

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Air Canada
7.1
Good
10,800 reviews
Alaska Airlines
8.0
Very Good
12,025 reviews
Check prices

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Related info for your journey

Find useful and relevant information for your journey from Sydney to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Sydney to San Diego?

    American Airlines can get you from Sydney to San Diego in just under 29h 10m. Your travel time can differ by up to . The distance from Sydney to San Diego is about 12086 km.

  • What are the cheapest airlines flying from Sydney to San Diego round-trip?

    Hawaiian Airlines, at $677, was found to be the cheapest airline from Sydney to San Diego.Alternate airlines to your destination round-trip include Alaska Airlines and Air Canada. Users have found that Hawaiian Airlines is 55% cheaper than the other options available to this destination.

  • Can I find deals for flights from Sydney to San Diego that include hotel bookings?

    Yes. In addition to deals on Sydney to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to San Diego.

  • Can I find deals for business class flights from Sydney to San Diego?

    Yes. Cheapflights offers flight deals from Sydney to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to San Diego?

    Currently, May is the cheapest month in which you can book a flight from Sydney to San Diego (average of $1,056). Flying from Sydney to San Diego in April is currently the most expensive (average of $1,316). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
San Ysidro

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 6 airlines flying from Sydney to San Diego

Discover the top 6 airlines that operate flights from Sydney to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$677Average$1,570FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Alaska AirlinesCheapest$1,059Average$1,393FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Air CanadaCheapest$1,076Average$1,373FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,110Average$1,314FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,181Average$1,494FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,467Average$2,265FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sydney to San Diego?

When you search for this flight from Sydney to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Sydney to San Diego?

Cheapflights helps you find that perfect flight to San Diego from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Sydney to San Diego with no change fees?

Need flexible booking options for your flight to San Diego from Sydney? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Sydney to San Diego become cheaper?

Yes! Start tracking prices for Sydney to San Diego flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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